Sealed, prefocused mount for plastic PAR lamp

Details Sealed, prefocused mount for plastic PAR lamp Sealed, prefocused mount for plastic PAR lamp

1979-07-16

1981-08-04

Nelson, Peter A.

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362306, F21V 2900

Patent

active

042825652

ABSTRACT:
An improved sealing means is provided for a sealed prefocused light source mount for a parabolic aluminized reflector (PAR) lamp and, in particular, to improved leak-proof sealing means for an all-plastic PAR lamp or a PAR lamp comprising a plastic reflector. The improved mount construction utilizes a plastic block having mating parts which define a cavity from which lead wires extend and which is filled with an elastomeric polymer providing both a leak-proof seal around the lead wires as well as a more reliable barrier to moisture leakage through the mount assembly.

REFERENCES:
patent: 3089951 (1963-05-01), Baldwin
patent: 3137804 (1964-06-01), Rubens
patent: 3612852 (1971-10-01), Bogossian
patent: 3720824 (1973-03-01), Callahan
patent: 3886349 (1975-05-01), Arai
patent: 4128864 (1978-12-01), Brusse et al.
patent: 4190976 (1980-03-01), Hurt

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